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عنوان البحث(Papers / Research Title)


Investigation on Wear Behavior of Al-Si Eutectic Alloy


الناشر \ المحرر \ الكاتب (Author / Editor / Publisher)

 
علي هوبي حليم الخزرجي

Citation Information


علي,هوبي,حليم,الخزرجي ,Investigation on Wear Behavior of Al-Si Eutectic Alloy , Time 10/10/2021 10:55:47 PM : كلية هندسة المواد

وصف الابستركت (Abstract)


The present paper is a comparative study to the effects of mechanical molds vibrations; titanium addition; and the combined effect of both of them on the wear behaviors of eutectic Al-Si alloys.

الوصف الكامل (Full Abstract)

Samples of aluminum-silicon eutectic alloys were cast via the stir casting method to investigate their wear behavior. Three types of samples were prepared. The first solidified under the effect of mechanical vibration (using an amplitude of 0.5 mm and a frequency of 25 Hz); the second has an addition of 0.13 wt% titanium as alloying element; while the third cast with the combined effect of added titanium and mold vibration. Chemical composition tests, scanning electron microscope (SEM) analyses, macro-hardness, and wear tests were done for the prepared samples. The results showed that at 27 ?C for 25-minute loading with a load of 20 N, the lowest wear rate of the sample prepared with the combined effect of mold vibration and addition of titanium, the biggest wear rate for the sample with the effect of vibration, and the wear rate of the sample prepared with the addition of titanium between them. The wear rate at 100 ?C is lesser than that at 27 ?C for all samples at the same conditions.

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